With regard to the Biological Nitrogen Fixation by Rhizobium in association with soybean, which one of the following statement/ statements does not hold true.

(a) Nitrogenase may require oxygen for its functioning.
(b) Nitrogenase is Mo- Fe protein
(c) Leg-hemoglobin is a pink coloured pigment.
(d) Nitrogenase helps to convert N2 gas into two molecules of ammonia.

Answers (1)

Ans. The answer is the option (a) Nitrogenase may require oxygen for its functioning


Explanation: Nitrogenase is highly sensitive to oxygen. If exposed to oxygen, it makes the enzyme inactive. Therefore, nitrogenase does not require oxygen for its functioning.

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